Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 1TYK
One of the reasons most scientists thought proteins were the carriers of genetic information was that
- a. the protein content of duplicating cells always doubles prior to division.
- b. proteins are much more complex and heterogeneous than
nucleic acids. - c. early experimental evidence pointed to proteins as the hereditary material.
- d. proteins are found in DNA.
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Students have asked these similar questions
A.) There is no change in the DNA sequence if nucleotides are added or removed, it will have no effect to the cell. B.) Mutations in the DNA sequence are all irreversible.
A. Statement A is correct
B. Statement B is correct
C. Both A and B are correct
D. Both A and B are incorrect
Which of the following statements about genes is incorrect?
Select one:
O a. During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg.
b. Genetic differences can result from changes in the DNA called mutations.
O c. Genes correspond to segments of DNA.
d. Under normal circumstances, each chromosome contains precisely one gene.
e. Many genes contain the information needed for cells to synthesize enzymes and other proteins.
The form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.
Chapter 16 Solutions
Study Guide for Campbell Biology
Ch. 16 - Hershey and Chase devised an experiment using...Ch. 16 - Review the structure of DNA by labeling the...Ch. 16 - Using different colors for heavy (parental) and...Ch. 16 - Look back to Interactive Question 16.2 and label...Ch. 16 - In this diagram of bacterial DNA replication,...Ch. 16 - Draw the last Okazaki fragment being formed on the...Ch. 16 - List the successive levels of packing in a...Ch. 16 - Prob. 1SYKCh. 16 - Prob. 2SYKCh. 16 - One of the reasons most scientists thought...
Ch. 16 - Transformation involves a. the uptake of external...Ch. 16 - Prob. 3TYKCh. 16 - Which of the following most closely represents...Ch. 16 - Prob. 5TYKCh. 16 - Prob. 6TYKCh. 16 - In their classic experiment, Meselson and Stahl a....Ch. 16 - The joining of nucleotides in the polymerization...Ch. 16 - DNA polymerase is not able to begin copying a DNA...Ch. 16 - Prob. 10TYKCh. 16 - Prob. 11TYKCh. 16 - Prob. 12TYKCh. 16 - Which of the following is least related to the...Ch. 16 - Prob. 14TYKCh. 16 - Prob. 15TYKCh. 16 - Prob. 16TYKCh. 16 - Prob. 17TYKCh. 16 - Which of the following statements about telomeres...Ch. 16 - You are trying to test your hypothesis that DNA...Ch. 16 - Given the experimental procedure explained in...Ch. 16 - Prob. 21TYKCh. 16 - Biologists have learned from the technique of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is evidence for the natural existence of Z-DNA?: A. Z-DNA is a right handed helix like B-DNA B. Specific Z-DNA binding proteins have been identified C. Z-DNA is prevalent in sex chromosomes D. Z-DNA forms under high salt conditions E. Z-DNA is tightly coiled in nucleosomesarrow_forwardWhich of the following is true about the enzyme telomerase? A. It is found only in adult cells. B. It is responsible for telomere shortening. C. It can re-establish telomere length. D. It may speed up the aging process. E. It is expressed at low levels in cancer cells.arrow_forwardWhat did the Hershey / Chase experiments (above) demonstrate about the molecules responsible for genetic inheritance patterns in the T2 bacteriophage? A. the genetic material consists of carbohydrates, not RNA B. the genetic material consists of protein, not lipids C. the genetic material consists of DNA, not polypeptides D. the genetic material consists of protein, not DNA E. the genetic material consists of lipids, not polypeptidesarrow_forward
- Which of the following is not a key property of hereditarymaterial?a. It must be capable of being copied accurately.b. It must encode the information necessary to formproteins and complex structures.c. It must occasionally mutate.d. It must be able to adapt itself to each of the body’stissuesarrow_forwardWith regard to human cancer cells, which of the following statements is true? A. Cancer cells within one tumor usually do not share common mutations B. Cancer cells generally have lost the ability to divide C. Oncogenes are non-human genes not related to normal genes in the human genome D. Mutations in DNA repair genes result in an increased chance of getting cancer.arrow_forwardOf the following statements related to the function of telomeres, identify which is FALSE. a. Telomeres protect organisms from cancer by limiting the number of somatic cell divisions b. Telomeres help prevent unnecessary cell death by preventing DNA monitoring activity at the staggered ends of DNA c. Telomeres restore the length of lagging DNA strands in germ cells d. Telomeres offer some protection against the unavoidable shortening of genesarrow_forward
- Which is the largest among the followings? a. Nucleotide b. Nitrogenous base c. Phosphate d. Carbon Based on the locations of centromeres, what type describes a centromere locates slightly away from the mid-point so that the two arms are unequal? a. Telocentric b. Acrocentric c. Submetacentric d. Metacentricarrow_forwardThe genome of an organism contains 35% adenine. What percent of the bases are cytosine? A. 15% B. 20% C. 35% D. 40%arrow_forwardWhat are the most highly-conserved regions of human DNA (when compared to similar DNA sequences in closely-related animals)? A. transposons B. non-transcribed spacers C. introns D. pseudogenes E. exonsarrow_forward
- A few genes produce regulatory molecules that help the cell assemble proteins. The journey from gene to protein is complex and tightly controlled within each cell. Which of the following statements best describes the role of DNA and RNA in protein synthesis? * A. DNA is the primary genetic material contained within a cell. B. DNA is the long-term storage while RNA is the messenger containing instruction from DNA C. DNA creates protein during protein synthesis & converts it into usable molecules while RNA assembles amino acid into a protein. D. All of the above. Humans and chimpanzees share many common characteristics. How would you explain the similarities of the amino acid sequences that can be found in both organisms? * A. Two groups share a relatively common ancestor B. Humans evolved from chimpanzees C. Two groups belong to the same species D. Chimpanzees evolved from…arrow_forward1a) Why is it possible for you to study the eye colour gene by extracting cheek cells? a. Because the nucleus of every cell in the human body contains the same genetic information. b. Because the cheek cells are located near the cells of the eye and so they are able to exchange DNA. c. Because all genes in the human body are expressed at all times so it is easy to study them. d. All of the above are possible explanations. 1b) What is the purpose of heating the sample to 75°C following addition of the 0.2M NaOH solution? a. To denature the histone proteins that are keeping the DNA tightly coiled. b. To ensure that all the DNA is removed from the swab in preparation for PCR. c. To breakdown the cheek cell membrane to release the DNA from the cell. d. It breaks down the circular DNA down into linear fragments so that they will be easier to visualize.iarrow_forwardWhich of the following statements best describes the outcome of a mutation? a. A mutation always results in a mutant genotype b. A mutation always results in a mutant karyotype c. A mutation always results in a mutant phenotype d. A mutation always results in a mutant proteinarrow_forward
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